Add 80/98 and 70/90
80/98 + 70/90 is 703/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
80/98 = 80 × 45/98 × 45 = 3600/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
70/90 = 70 × 49/90 × 49 = 3430/4410 - Add the two like fractions:
3600/4410 + 3430/4410 = 3600 + 3430/4410 = 7030/4410 - 7030/4410 simplified gives 703/441
- So, 80/98 + 70/90 = 703/441
In mixed form: 1262/441
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